diff --git a/docker-compose.yml b/docker-compose.yml
index 9380fad..46fac85 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ version: "3"
 services:
   kanboard:
     container_name: kanboard
-    image: thegeeklab/kanboard
+    image: thegeeklab/kanboard@sha256:7f7888c30adc2d5172fe9a8803fe35ed8ca1df6b5027bafa9eb50ecde2e0d921
     ports:
       - "80:8080"
     volumes: